Generation of Nonclassical Biphoton States through Cascaded Quantum Walks on a Nonlinear Chip
Alexander S. Solntsev, Frank Setzpfandt, Alex S. Clark, Che Wen Wu, Matthew J. Collins, Chunle Xiong, Andreas Schreiber, Fabian Katzschmann, Falk X. Eilenberger, Roland Schiek, W. Sohler, Arnan Mitchell, Christine Silberhorn, Benjamin J. Eggleton, Thomas Pertsch, Andrey A. Sukhorukov, Dragomir N. Neshev, Yuri S. Kivshar · Physical Review X · 2014
Developing quantum computing relies on realizing controllable nonclassical states of light or matter. Researchers show that photon pairs can feature strong quantum entanglement and reconfigurable nonclassical correlations.